In this blog, I will show you how to make remote control door lock at home with the help of 4 channel relay switch. This remote control door lock is very useful to who need an automatic system at home or office. In remote control door lock, main parts are 4 channel relay switch and Mechanical system.
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STEP: 2 DOOR STOPPER INSTALLATION
As per above image fix the door stopper to the wooden block (12 x 14 cm) by drilling four whole and fix it with the help of screw.
STEP: 3 INSTALLATION OF RELAY SWITCH
Install the 4 channel relay switch with the help of screw as per shown in the above images.
STEP: 4 DOOR MECHANICAL SYSTEM
Here we need a mechanical system to open and close door stopper. for that, I use theScrew Nut Mechanism. As dc motor rotates as per signal that rotates screw (bolt), due to rotation of the screw, Nut also move inside the screw. so by using this mechanism, we fix this nut to the Door topper and this stopper will move as per signal.
Fix the nut with stopper help of M-seal available in the market and insert the bolt or screw of length 2″ inside the nut.
STEP: 5 DC MOTOR INSTALLATION
To install dc motor follow below step:-
Take one syringe cape
Cut cape of the syringe ( around 1 cm)
Insert cape into the screw and fix it
Insert the dc motor shaft into a screw
Stick the dc motor with a wooden block with the help of a glue gun
STEP: 6 WIRING DIAGRAM FOR DOOR LOCK
Connect all the wiring as per above image.
STEP: 7 BATTERY CONNECTION
With help of 9v battery connect the dc motor and 4 channel relay switch.
STEP: 8 EXPERIMENT
Now its time to Experiment the Project.
Fix this Full Assembly to your door, and lock and unlock a door with help of remote.
If you facing any problem then please comment it and share this my blog with your techno friends.